CompTIA A+ 220-701/702 Practice Exam

Answer - C - The position of the drive on the cable determines the letter assigned to the drive.

Key Takeaway: The Windows XP operating system uses the following logic to assign drive letters:

1. Assign the drive letter A to the first floppy disk drive and B to the second floppy disk drive.
2. Assign a drive letter, beginning with C to the first active primary partition recognized on the first physical hard disk.
3. Assign subsequent drive letters to the first primary partition upon each successive physical hard disk drive.
4. Assign subsequent drive letters to every recognized logical partition, beginning with the first hard drive and proceeding through successive physical hard disk drives.
5. Assign subsequent drive letters to any RAM Disk.
6. Assign subsequent drive letters to any additional floppy or optical disc drives.